Common use of EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT Clause in Contracts

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119, filed on December 3, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119002, filed on December 3February 25, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11990, filed on December 3September 10, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119014, filed on December 3March 24, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11942, filed on December 3May 1, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11932, to be filed on December 3September 17, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119019, filed on December 3March 31, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11987, filed on December 3August 27, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5May 2, 20072008. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-11966, filed on December 3July 21, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxxXxXxxx-Xxxx Companies, Inc. and Xxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072006-11929, filed on December 3May 22, 20072006, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119128, filed on December 317, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119121, filed on December 3, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119023, filed on December 3April 7, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072006-11980, filed on December 3October 31, 20072006, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11918, filed on December 3February 20, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119111, filed on December 3November 5, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119018, filed on December 3March 31, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119012, filed on December 3March 10, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119117, filed on December 3November 26, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119116, filed on December 3November 26, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11996, filed on December 3September 24, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11969, filed on December 3July 9, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119101, filed on December 3October 1, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11961, filed on December 3June 11, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11998, filed on December 3September 24, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11980, filed on December 3August 13, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11949, filed on December 3May 14, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119003, filed on December 3February 25, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11948, filed on December 3May 14, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11978, filed on December 3August 6, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119020, filed on December 3April 7, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11983, filed on December 3August 20, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11957, filed on December 3June 4, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11999, filed on December 3October 1, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119105, filed on December 3October 15, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-11928, filed on December 3April 21, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119126, filed on December 310, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072006-1195, filed on December 3March 7, 20072006, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119006, filed on December March 3, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. l. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. l. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119l, to be filed on December 3, 2007l, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119106, filed on December 3October 15, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11986, filed on December 3August 27, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11979, filed on December 3August 13, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119007, filed on December March 3, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11951, filed on December 3May 21, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11927, to be filed on December 314, 2007, 2006 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119001, filed on December 3February 25, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11974, filed on December 3July 30, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11960, filed on December 3June 11, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119016, filed on December 3March 31, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119124, filed on December 310, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11971, filed on December 3July 16, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11939, filed on December 3April 16, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11989, filed on December 3September 4, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11937, to be filed on December 3April 22, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119112, filed on December 3November 12, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072006-11965, filed on December 3September 18, 20072006, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11968, filed on December 3July 9, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11976, filed on December 3August 6, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119017, filed on December 3March 31, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11967, filed on December 3June 25, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11992, filed on December 3September 10, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11973, filed on December 3July 16, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119122, filed on December 3, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072006-11927, filed on December 3May 15, 20072006, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5May 2, 20072008. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-11939, filed on December 3May 19, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxxXxXxxx-Xxxx Companies, Inc. and Xxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11944, filed on December 3May 7, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11926, to be filed on December 314, 2007, 2006 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072006-11967, filed on December 3September 25, 20072006, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11929, to be filed on December 3March 19, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11959, filed on December 3June 11, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11991, filed on December 3September 10, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, to be filed on December 56, 20072006. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11925, to be filed on December 31, 2007, 2006 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Prospectus Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072006-11994, filed on December 311, 20072006, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11941, filed on December 3May 1, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11956, filed on December 3June 4, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11997, filed on December 3September 24, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119013, filed on December 3March 24, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11940, filed on December 3April 16, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5March 1, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072006-11946, filed on December 3July 17, 20072006, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11947, filed on December 3May 14, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11955, filed on December 3May 29, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11995, filed on December 3September 17, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119123, filed on December 310, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11965, filed on December 3June 25, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119102, filed on December 3October 9, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119129, filed on December 317, 2007, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5May 2, 20072008. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-11979, filed on December 3September 2, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxxXxXxxx-Xxxx Companies, Inc. and Xxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5May 2, 20072008. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-11978, filed on December 3September 2, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxxXxXxxx-Xxxx Companies, Inc. and Xxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11963, filed on December 3June 18, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119113, filed on December 3November 12, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5, 2007. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119118, filed on December 3November 26, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11972, filed on December 3July 16, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 20072008-119009, filed on December 3March 10, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11938, filed on December 3April 16, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11988, filed on December 3September 4, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11977, filed on December 3August 6, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11943, filed on December 3May 1, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — Incorporated herein by reference to Exhibit 4.2 99.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5March 1, 20072006. Exhibit B Standard License Agreement Terms — Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 56, 20072006. Exhibit D Pricing Supplement — Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-119115, filed on December 3November 19, 2007, 2007 with the Securities and Exchange Commission pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that:

EXHIBITS AND SCHEDULES TO THE OMNIBUS INSTRUMENT. Exhibit A Standard Trust Terms — – Incorporated herein by reference to Exhibit 4.2 to Principal Life Insurance Company’s Current Report on Form 8-K K, filed on December 5, 2007. Exhibit B Standard License Agreement Terms — – Incorporated herein by reference to Exhibit 99.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on March 29, 2004. Exhibit C Standard Indenture Terms — – Incorporated herein by reference to Exhibit 4.1 to Principal Life Insurance Company’s Current Report on Form 8-K, filed on December 5, 2007. Exhibit D Pricing Supplement — – Incorporated herein by reference to the Pricing Supplement with respect to Principal Life Income Fundings Trust 2007-11935, to be filed on December 3March 14, 20072008, with the Securities and Exchange Commission pursuant to Rule 424(b)(2424(b)(5) under the Securities Act of 1933, as amended. Exhibit E Principal Life Insurance Company Officer’s Certificate Exhibit F Principal Life Income Fundings Trusts Trustee Officer’s Certificate Exhibit G Free Writing Prospectus(es) Schedule I Terms Agreement Specifications EXHIBIT E Principal Life Insurance Company The undersigned, an officer of Principal Life Insurance Company, an Iowa stock life insurance company (“Principal Life”), does hereby certify to Standard & Poor’s Ratings Services, a division of The MxXxxx-Xxxx Companies, Inc. and Mxxxx’x Investors Service, Inc., in such capacity and on behalf of Principal Life, to the knowledge of the undersigned and after reasonable inquiry, that: